【What is the product model?】:WIFI Module USR-C215
【Where do you purchase the products?】:aliexpress
【Is this your first time to use this product? If not how long do you use USR device?】:first time, I have experience with other competetive modules like ESP32
【What's the firmware version?(You can get firmware version from AT command AT+VER or settings webpage)】:
【How do you connect and configure the USR device?】:via web page and AT commands
【What's your application? What do you want to realize?】: application: simple access point as part of command station for controlling rail models. I would like to hide SSID of this module, so that it is invisible among other surrounding networks. It is possibe? I have not found any option in the documentation to allow this.
Function: Query setting whether to enable hidden SSID
OFF: off (default)
ON: Open section
Note: Requires firmware version 3.0.0 or higher
You wrote about firmware 3.0.0. - from where I can download newest firmware of module? (OTA UpdateTool contains bin file 2.2.3)
C215 has 2 firmware
You can upgrade the C215 webpage firmware through the webpage.